Home / 45,648,372.34-62,958,022.40-40,129,948.05

Finding the Fourth Proportional to 45,648,372.34, 62,958,022.40 and 40,129,948.05

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Solution

The fourth proportional to 45,648,372.34, 62,958,022.40 and 40,129,948.05 is: 55,347,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,648,372.34 : 62,958,022.40 = 40,129,948.05 : x
  2. Step 2: Convert to fraction form
    45,648,372.34/62,958,022.40 = 40,129,948.05/x
  3. Step 3: Cross multiply
    45,648,372.34x = 62,958,022.40 × 40,129,948.05
  4. Step 4: Simplify right side
    45,648,372.34x = 2,526,502,168,242,736
  5. Step 5: Solve for x
    x = 2,526,502,168,242,736/45,648,372.34
  6. Step 6: Final answer
    x = 55,347,037.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.